/// <typeparam name="T">
/// The first value type.
/// </typeparam>
/// <typeparam name="TResult">
/// The return value type.
/// </typeparam>
/// <param name="self">
/// A <see cref="T:Cadenza.Tuple{T}" /> to aggregate the values of.
/// </param>
/// <param name="func">
/// A <see cref="T:System.Func{T,TResult}" /> which will be invoked, providing the values
/// <see cref="P:Cadenza.Tuple`1.Item1"/>
/// to <paramref name="func"/> and
/// returning the value returned by <paramref name="func"/>.
/// </param>
/// <summary>
/// Converts the <see cref="T:Cadenza.Tuple{T}" /> into a <typeparamref name="TResult"/>.
/// </summary>
/// <returns>
/// The <typeparamref name="TResult"/> returned by <paramref name="func"/>.
/// </returns>
/// <remarks>
/// <para>
/// <block subset="none" type="behaviors">
/// Passes the values <see cref="P:Cadenza.Tuple`1.Item1"/> to
/// <paramref name="func"/>, returning the value produced by
/// <paramref name="func"/>.
/// </block>
/// </para>
/// </remarks>
/// <exception cref="T:System.ArgumentNullException">
/// <para>
/// <paramref name="self" /> is <see langword="null" />.
/// </para>
/// <para>-or-</para>
/// <para>
/// <paramref name="func" /> is <see langword="null" />.
/// </para>
/// </exception>
public static TResult Aggregate <T, TResult>(this Tuple <T> self, System.Func <T, TResult> func)
{
Check.Self(self);
Check.Func(func);
return(func(self.Item1));
}
/// <typeparam name="T1">
/// The first value type.
/// </typeparam>
/// <typeparam name="T2">
/// The second value type.
/// </typeparam>
/// <typeparam name="T3">
/// The third value type.
/// </typeparam>
/// <typeparam name="T4">
/// The fourth value type.
/// </typeparam>
/// <typeparam name="TResult">
/// The return value type.
/// </typeparam>
/// <param name="self">
/// A <see cref="T:Cadenza.Tuple{T1,T2,T3,T4}" /> to aggregate the values of.
/// </param>
/// <param name="func">
/// A <see cref="T:System.Func{T1,T2,T3,T4,TResult}" /> which will be invoked, providing the values
/// <see cref="P:Cadenza.Tuple`4.Item1"/>, <see cref="P:Cadenza.Tuple`4.Item2"/>, <see cref="P:Cadenza.Tuple`4.Item3"/>, <see cref="P:Cadenza.Tuple`4.Item4"/>
/// to <paramref name="func"/> and
/// returning the value returned by <paramref name="func"/>.
/// </param>
/// <summary>
/// Converts the <see cref="T:Cadenza.Tuple{T1,T2,T3,T4}" /> into a <typeparamref name="TResult"/>.
/// </summary>
/// <returns>
/// The <typeparamref name="TResult"/> returned by <paramref name="func"/>.
/// </returns>
/// <remarks>
/// <para>
/// <block subset="none" type="behaviors">
/// Passes the values <see cref="P:Cadenza.Tuple`4.Item1"/>, <see cref="P:Cadenza.Tuple`4.Item2"/>, <see cref="P:Cadenza.Tuple`4.Item3"/>, <see cref="P:Cadenza.Tuple`4.Item4"/> to
/// <paramref name="func"/>, returning the value produced by
/// <paramref name="func"/>.
/// </block>
/// </para>
/// </remarks>
/// <exception cref="T:System.ArgumentNullException">
/// <para>
/// <paramref name="self" /> is <see langword="null" />.
/// </para>
/// <para>-or-</para>
/// <para>
/// <paramref name="func" /> is <see langword="null" />.
/// </para>
/// </exception>
public static TResult Aggregate <T1, T2, T3, T4, TResult>(this Tuple <T1, T2, T3, T4> self, System.Func <T1, T2, T3, T4, TResult> func)
{
Check.Self(self);
Check.Func(func);
return(func(self.Item1, self.Item2, self.Item3, self.Item4));
}